A305285 - OEIS

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A305285

Number of n X 5 0..1 arrays with every element unequal to 1, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.

3, 313, 895, 8431, 41446, 301533, 1847322, 12314089, 80678010, 526137481, 3481542013, 22776996398, 150218677027, 986628682316, 6493406925686, 42707158770594, 280923646529256, 1848097254303284, 12156318968086178

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A305288.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

..0..0..1..1..1. .0..0..0..1..0. .0..0..0..0..1. .0..0..1..0..0

..0..1..1..1..0. .0..1..1..1..1. .0..1..0..0..0. .0..1..1..1..1

..0..1..1..0..0. .1..1..1..1..0. .0..0..0..0..1. .1..1..1..1..0